Charging unit assembly



FIG. 1 is a perspective view of a charging unit assembly showing the front, top, and right side of our new design in a closed position as viewed from the right side of the page;

FIG. 2 is a side elevational view of one side thereof;

FIG. 3 is a side elevational view of the opposite side thereof;

FIG. 4 is a partial magnified view of the upper right curved edge portion shown in FIG. 2;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a top elevational view thereof; and,

FIG. 8 is a bottom elevational view thereof.

The broken lines are for environmental and illustrative purposes only and are not part of the claimed design. Specifically, the broken line depicted in FIG. 2 identifies the portion of the partial magnified view depicted in FIG. 4. Moreover, the partial magnified view depicted in FIG. 4 also covers the upper right curved edge portion shown in FIG. 3, and is also representative of other curved edge portions of the charging unit or mirror images thereof. 

CLAIM The ornamental design for a charging unit assembly, as shown and described. 